Add launch files for running demos. (#23)

This adds two launch files for running 2D and 3D demos.
A bag filename is expected as an argument and is played
back using simulation time while showing the result in a
preconfigured RViz window.

cartographer_ros/configuration_files/demo_2d.rviz

@@ -0,0 +1,197 @@
+# Copyright 2016 The Cartographer Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+Panels:
+  - Class: rviz/Displays
+    Help Height: 78
+    Name: Displays
+    Property Tree Widget:
+      Expanded:
+        - /Submaps1
+      Splitter Ratio: 0.600671
+    Tree Height: 817
+  - Class: rviz/Selection
+    Name: Selection
+  - Class: rviz/Tool Properties
+    Expanded:
+      - /2D Pose Estimate1
+      - /2D Nav Goal1
+      - /Publish Point1
+    Name: Tool Properties
+    Splitter Ratio: 0.588679
+  - Class: rviz/Views
+    Expanded:
+      - /Current View1
+    Name: Views
+    Splitter Ratio: 0.5
+  - Class: rviz/Time
+    Experimental: false
+    Name: Time
+    SyncMode: 0
+    SyncSource: ""
+Visualization Manager:
+  Class: ""
+  Displays:
+    - Alpha: 0.5
+      Cell Size: 1
+      Class: rviz/Grid
+      Color: 160; 160; 164
+      Enabled: true
+      Line Style:
+        Line Width: 0.03
+        Value: Lines
+      Name: Grid
+      Normal Cell Count: 0
+      Offset:
+        X: 0
+        Y: 0
+        Z: 0
+      Plane: XY
+      Plane Cell Count: 100
+      Reference Frame: <Fixed Frame>
+      Value: true
+    - Class: rviz/TF
+      Enabled: true
+      Frame Timeout: 15
+      Frames:
+        All Enabled: true
+        base_link:
+          Value: true
+        horizontal_laser_link:
+          Value: true
+        imu_link:
+          Value: true
+        map:
+          Value: true
+        odom:
+          Value: true
+        vertical_laser_link:
+          Value: true
+      Marker Scale: 1
+      Name: TF
+      Show Arrows: true
+      Show Axes: true
+      Show Names: true
+      Tree:
+        map:
+          odom:
+            base_link:
+              horizontal_laser_link:
+                {}
+              imu_link:
+                {}
+              vertical_laser_link:
+                {}
+      Update Interval: 0
+      Value: true
+    - Alpha: 1
+      Class: rviz/RobotModel
+      Collision Enabled: false
+      Enabled: true
+      Links:
+        All Links Enabled: true
+        Expand Joint Details: false
+        Expand Link Details: false
+        Expand Tree: false
+        Link Tree Style: Links in Alphabetic Order
+        base_link:
+          Alpha: 1
+          Show Axes: false
+          Show Trail: false
+        horizontal_laser_link:
+          Alpha: 1
+          Show Axes: false
+          Show Trail: false
+          Value: true
+        imu_link:
+          Alpha: 1
+          Show Axes: false
+          Show Trail: false
+          Value: true
+        vertical_laser_link:
+          Alpha: 1
+          Show Axes: false
+          Show Trail: false
+          Value: true
+      Name: RobotModel
+      Robot Description: robot_description
+      TF Prefix: ""
+      Update Interval: 0
+      Value: true
+      Visual Enabled: true
+    - Class: Submaps
+      Enabled: true
+      Map frame: map
+      Name: Submaps
+      Submap query service: /cartographer/submap_query
+      Topic: /cartographer/submap_list
+      Tracking frame: base_link
+      Unreliable: false
+      Value: true
+  Enabled: true
+  Global Options:
+    Background Color: 100; 100; 100
+    Fixed Frame: map
+    Frame Rate: 30
+  Name: root
+  Tools:
+    - Class: rviz/Interact
+      Hide Inactive Objects: true
+    - Class: rviz/MoveCamera
+    - Class: rviz/Select
+    - Class: rviz/FocusCamera
+    - Class: rviz/Measure
+    - Class: rviz/SetInitialPose
+      Topic: /initialpose
+    - Class: rviz/SetGoal
+      Topic: /move_base_simple/goal
+    - Class: rviz/PublishPoint
+      Single click: true
+      Topic: /clicked_point
+  Value: true
+  Views:
+    Current:
+      Angle: 0
+      Class: rviz/TopDownOrtho
+      Enable Stereo Rendering:
+        Stereo Eye Separation: 0.06
+        Stereo Focal Distance: 1
+        Swap Stereo Eyes: false
+        Value: false
+      Name: Current View
+      Near Clip Distance: 0.01
+      Scale: 10
+      Target Frame: <Fixed Frame>
+      Value: TopDownOrtho (rviz)
+      X: 0
+      Y: 0
+    Saved: ~
+Window Geometry:
+  Displays:
+    collapsed: false
+  Height: 1123
+  Hide Left Dock: false
+  Hide Right Dock: false
+  QMainWindow State: 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
+  Selection:
+    collapsed: false
+  Time:
+    collapsed: false
+  Tool Properties:
+    collapsed: false
+  Views:
+    collapsed: false
+  Width: 1918
+  X: 0
+  Y: 24

cartographer_ros/configuration_files/demo_3d.rviz

@@ -0,0 +1,260 @@
+# Copyright 2016 The Cartographer Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+Panels:
+  - Class: rviz/Displays
+    Help Height: 78
+    Name: Displays
+    Property Tree Widget:
+      Expanded:
+        - /Global Options1
+        - /PointCloud21
+        - /PointCloud22
+        - /Submaps1
+      Splitter Ratio: 0.600671
+    Tree Height: 817
+  - Class: rviz/Selection
+    Name: Selection
+  - Class: rviz/Tool Properties
+    Expanded:
+      - /2D Pose Estimate1
+      - /2D Nav Goal1
+      - /Publish Point1
+    Name: Tool Properties
+    Splitter Ratio: 0.588679
+  - Class: rviz/Views
+    Expanded:
+      - /Current View1
+    Name: Views
+    Splitter Ratio: 0.5
+  - Class: rviz/Time
+    Experimental: false
+    Name: Time
+    SyncMode: 0
+    SyncSource: PointCloud2
+Visualization Manager:
+  Class: ""
+  Displays:
+    - Alpha: 0.5
+      Cell Size: 1
+      Class: rviz/Grid
+      Color: 160; 160; 164
+      Enabled: true
+      Line Style:
+        Line Width: 0.03
+        Value: Lines
+      Name: Grid
+      Normal Cell Count: 0
+      Offset:
+        X: 0
+        Y: 0
+        Z: 0
+      Plane: XY
+      Plane Cell Count: 100
+      Reference Frame: <Fixed Frame>
+      Value: true
+    - Class: rviz/TF
+      Enabled: true
+      Frame Timeout: 15
+      Frames:
+        All Enabled: true
+        base_link:
+          Value: true
+        horizontal_vlp16_link:
+          Value: true
+        imu_link:
+          Value: true
+        map:
+          Value: true
+        odom:
+          Value: true
+        vertical_vlp16_link:
+          Value: true
+      Marker Scale: 1
+      Name: TF
+      Show Arrows: true
+      Show Axes: true
+      Show Names: true
+      Tree:
+        map:
+          odom:
+            base_link:
+              horizontal_vlp16_link:
+                {}
+              imu_link:
+                {}
+              vertical_vlp16_link:
+                {}
+      Update Interval: 0
+      Value: true
+    - Alpha: 1
+      Class: rviz/RobotModel
+      Collision Enabled: false
+      Enabled: true
+      Links:
+        All Links Enabled: true
+        Expand Joint Details: false
+        Expand Link Details: false
+        Expand Tree: false
+        Link Tree Style: Links in Alphabetic Order
+        base_link:
+          Alpha: 1
+          Show Axes: false
+          Show Trail: false
+        horizontal_vlp16_link:
+          Alpha: 1
+          Show Axes: false
+          Show Trail: false
+          Value: true
+        imu_link:
+          Alpha: 1
+          Show Axes: false
+          Show Trail: false
+          Value: true
+        vertical_vlp16_link:
+          Alpha: 1
+          Show Axes: false
+          Show Trail: false
+          Value: true
+      Name: RobotModel
+      Robot Description: robot_description
+      TF Prefix: ""
+      Update Interval: 0
+      Value: true
+      Visual Enabled: true
+    - Alpha: 1
+      Autocompute Intensity Bounds: true
+      Autocompute Value Bounds:
+        Max Value: 7.6265
+        Min Value: 5.66667
+        Value: true
+      Axis: Z
+      Channel Name: intensity
+      Class: rviz/PointCloud2
+      Color: 20; 220; 20
+      Color Transformer: FlatColor
+      Decay Time: 0.1
+      Enabled: true
+      Invert Rainbow: false
+      Max Color: 255; 255; 255
+      Max Intensity: 4096
+      Min Color: 0; 0; 0
+      Min Intensity: 0
+      Name: PointCloud2
+      Position Transformer: XYZ
+      Queue Size: 20
+      Selectable: true
+      Size (Pixels): 3
+      Size (m): 0.03
+      Style: Flat Squares
+      Topic: /horizontal_laser_3d
+      Unreliable: false
+      Use Fixed Frame: true
+      Use rainbow: true
+      Value: true
+    - Alpha: 1
+      Autocompute Intensity Bounds: true
+      Autocompute Value Bounds:
+        Max Value: 5.6087
+        Min Value: 3.77875
+        Value: true
+      Axis: Z
+      Channel Name: intensity
+      Class: rviz/PointCloud2
+      Color: 240; 220; 20
+      Color Transformer: FlatColor
+      Decay Time: 0.1
+      Enabled: true
+      Invert Rainbow: true
+      Max Color: 255; 255; 255
+      Max Intensity: 4096
+      Min Color: 0; 0; 0
+      Min Intensity: 0
+      Name: PointCloud2
+      Position Transformer: XYZ
+      Queue Size: 20
+      Selectable: true
+      Size (Pixels): 3
+      Size (m): 0.03
+      Style: Flat Squares
+      Topic: /vertical_laser_3d
+      Unreliable: false
+      Use Fixed Frame: true
+      Use rainbow: true
+      Value: true
+    - Class: Submaps
+      Enabled: true
+      Map frame: map
+      Name: Submaps
+      Submap query service: /cartographer/submap_query
+      Topic: /cartographer/submap_list
+      Tracking frame: base_link
+      Unreliable: false
+      Value: true
+  Enabled: true
+  Global Options:
+    Background Color: 100; 100; 100
+    Fixed Frame: map
+    Frame Rate: 30
+  Name: root
+  Tools:
+    - Class: rviz/Interact
+      Hide Inactive Objects: true
+    - Class: rviz/MoveCamera
+    - Class: rviz/Select
+    - Class: rviz/FocusCamera
+    - Class: rviz/Measure
+    - Class: rviz/SetInitialPose
+      Topic: /initialpose
+    - Class: rviz/SetGoal
+      Topic: /move_base_simple/goal
+    - Class: rviz/PublishPoint
+      Single click: true
+      Topic: /clicked_point
+  Value: true
+  Views:
+    Current:
+      Angle: 0
+      Class: rviz/TopDownOrtho
+      Enable Stereo Rendering:
+        Stereo Eye Separation: 0.06
+        Stereo Focal Distance: 1
+        Swap Stereo Eyes: false
+        Value: false
+      Name: Current View
+      Near Clip Distance: 0.01
+      Scale: 10
+      Target Frame: <Fixed Frame>
+      Value: TopDownOrtho (rviz)
+      X: 0
+      Y: 0
+    Saved: ~
+Window Geometry:
+  Displays:
+    collapsed: false
+  Height: 1123
+  Hide Left Dock: false
+  Hide Right Dock: false
+  QMainWindow State: 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
+  Selection:
+    collapsed: false
+  Time:
+    collapsed: false
+  Tool Properties:
+    collapsed: false
+  Views:
+    collapsed: false
+  Width: 1918
+  X: 0
+  Y: 24

cartographer_ros/launch/demo_2d.launch

@@ -0,0 +1,27 @@
+<!--
+  Copyright 2016 The Cartographer Authors
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<launch>
+  <param name="/use_sim_time" value="true" />
+
+  <include file="$(find cartographer_ros)/launch/backpack_2d.launch" />
+
+  <node name="rviz" pkg="rviz" type="rviz" required="true"
+      args="-d $(find cartographer_ros)/configuration_files/demo_2d.rviz" />
+  <node name="playbag" pkg="rosbag" type="play"
+      args="--clock $(arg bag_filename)" />
+
+</launch>

cartographer_ros/launch/demo_3d.launch

@@ -0,0 +1,27 @@
+<!--
+  Copyright 2016 The Cartographer Authors
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<launch>
+  <param name="/use_sim_time" value="true" />
+
+  <include file="$(find cartographer_ros)/launch/backpack_3d.launch" />
+
+  <node name="rviz" pkg="rviz" type="rviz" required="true"
+      args="-d $(find cartographer_ros)/configuration_files/demo_3d.rviz" />
+  <node name="playbag" pkg="rosbag" type="play"
+      args="--clock $(arg bag_filename)" />
+
+</launch>

cartographer_ros/src/cartographer_node_main.cc

@@ -78,7 +78,7 @@ constexpr int64 kTrajectoryId = 0;
 constexpr int kSubscriberQueueSize = 150;
 constexpr int kSubmapPublishPeriodInUts = 300 * 10000ll;  // 300 milliseconds
 constexpr int kPosePublishPeriodInUts = 5 * 10000ll;      // 5 milliseconds
-constexpr double kMaxTransformDelaySeconds = 1.;
+constexpr double kMaxTransformDelaySeconds = 0.01;
 
 Rigid3d ToRigid3d(const geometry_msgs::TransformStamped& transform) {
   return Rigid3d(Eigen::Vector3d(transform.transform.translation.x,